/Engine/Source/Runtime/Engine/Public/WorldPartition/RuntimeSpatialHash/RuntimeSpatialHashGridHelper.h
Returns the cells coordinates of the provided box
true if the bounds was intersecting with the grid
bool GetCellCoords &40; const FBox2D & InBounds2D, FGridCellCoord2 & OutMinCellCoords, FGridCellCoord2 & OutMaxCellCoords &41; const